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8-chloro-2-methyl-1H,2H,3H,4H,5H-pyrido(4,3-b)indole → HCID 68487665, Verbindung

HRID 1400475
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1400475
[Cl:1][C:2]1[CH:10]=[CH:9][C:8]2[NH:7][C:6]3[CH2:11][CH2:12][N:13]([CH3:15])[CH2:14][C:5]=3[C:4]=2[CH:3]=1.N1CCC[C@H]1C(O)=O.P([O-])([O-])([O-])=O.[K+].[K+].[K+].Br[CH:33]=[C:34]([C:36]1[CH:41]=[CH:40][C:39]([F:42])=[CH:38][C:37]=1[F:43])[CH3:35]>CN(C=O)C.[Cu]I>[Cl:1][C:2]1[CH:10]=[CH:9][C:8]2[N:7](/[CH:33]=[C:34](\[C:36]3[CH:41]=[CH:40][C:39]([F:42])=[CH:38][C:37]=3[F:43])/[CH3:35])[C:6]3[CH2:11][CH2:12][N:13]([CH3:15])[CH2:14][C:5]=3[C:4]=2[CH:3]=1
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Komponenten

7

Edukt 4

HCID 196158-chloro-2-methyl-1H,2H,3H,4H,5H-pyrido(4,3-b)indoleHCID 62657Potassium Phosphate, TribasicHCID 145742L-ProlineHCID 730834911-(2-Bromo-1-methylethenyl)-2,4-difluorobenzene

Produkt 1

HCID 68487665HCID 68487665, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
Katalysator
HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

8-Chloro-2-methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole (220 mg, 1 mmol) was dissolved in DMF. Copper (I) iodide (19 mg, 0.1 mmol), L-proline (23 mg, 0.2 mmol) and potassium phosphate (424 mg, 2 mmol) were added and the reaction mixture was stirred for 10 min. at RT. 1-(2-Bromo-1-methyl-vinyl)-2,4-difluoro-benzene (279 mg, 1.2 mmol) was added dropwise and the reaction mixture was purged with nitrogen. The reaction mixture was heated overnight at 85° C. (prolonged heating in some cases was required). DMF was evaporated under reduced pressure, the residue was diluted with water and the solid was filtered. The solid material was purified by silica gel chromatography (100-200 mesh) eluting with 0-2% MeOH-DCM. The product was further purified by HPLC. Yield: 23 mg. 1H NMR (CD3OD, freebase) δ (ppm): 7.27 (d, 1H), 7.00 (m, 2H), 6.93 (dd, 1H), 7.83 (d, 1H), 6.78 (m, 1H), 6.70 (m, 1H), 3.52 (s, 2H), 2.80 (t, 2H), 2.70 (t, 2H), 2.50 (s, 3H), 2.30 (s, 3H).

Aufarbeitung

  1. customthe reaction mixture was purged with nitrogen
  2. temperatureThe reaction mixture was heated overnight at 85° C. (
  3. temperatureprolonged heating in some cases
  4. customDMF was evaporated under reduced pressure
  5. additionthe residue was diluted with water
  6. filtrationthe solid was filtered
  7. customThe solid material was purified by silica gel chromatography (100-200 mesh)
  8. washeluting with 0-2% MeOH-DCM
  9. customThe product was further purified by HPLC

Quellen und Nachweise

ORD-Eintrag
ord-c18a0b25efb64c6dab7004e4d7f2bec0
Quelldatensatz
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08906925B2

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